<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>javaEEstudy</title>
</head>
<body>
<h1>Hello Servlet!</h1>
<form method="post" action="HelloServlet">
    ISDN<input type="text"  name="isdn">
<br/>
    Name  <input type="text"  name="name"><br/>
    Author <input type="text"  name="author"><br/>
    Price <input type="text"  name="price"><br/>
    <input type="submit">
</form>
</body>
</html>